a(n) behavior, act, or action


Do you know that coping books without permission is a(n) behavior/act/action of piracy.

In a different context, I'm totally puzzled by which to use, behavior, act, or action?
  • Musical Chairs

    Senior Member
    Japan & US, Japanese & English
    I really don't know why --- the others don't sound right.

    "Behavior" is more general than "piracy". Also, I've heard behavior used more with "behavior of [person]" or "behavior of [something more concrete like stars, electrons, the wind, etc]"
    I've simply never heard "an action of."

    I've heard "act of love," "act of courage," etc...and I think the nature of "piracy" is more like those two.
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